Two main achievements of mendeleevs periodic table
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That he find pheotypic ratio and genotypic of f2generation and predicted the number of offsprings
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Achievements of the Mendeleev's periodic tables are as under:-
1) Systematic study of elements:-
As the elements having same properties are grouped together so it becomes very useful to remember the properties of large number of elements in a systematic way.
2) Prediction of new elements:-
Mendeleev predicted the properties of those missing elements from the known properties of the other elements in the same group. On the basis of this, he named Gallium as Eka-Almunium, Germanium as Eka-Silicon and Scandium as Eka-Boron.
3) Correction of atomic mass:-
Atomic mass of beryllium was corrected from 13.5 to 9. Atomic mass of indium, gold and platinum were also corrected.
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1) Systematic study of elements:-
As the elements having same properties are grouped together so it becomes very useful to remember the properties of large number of elements in a systematic way.
2) Prediction of new elements:-
Mendeleev predicted the properties of those missing elements from the known properties of the other elements in the same group. On the basis of this, he named Gallium as Eka-Almunium, Germanium as Eka-Silicon and Scandium as Eka-Boron.
3) Correction of atomic mass:-
Atomic mass of beryllium was corrected from 13.5 to 9. Atomic mass of indium, gold and platinum were also corrected.
Hope this helps u.
Please mark me as Brainliest
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